2116155750 has 128 divisors (see below), whose sum is σ = 5622514560. Its totient is φ = 528281600.

The previous prime is 2116155731. The next prime is 2116155787. The reversal of 2116155750 is 575516112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3429442 + ... + 3430058.

It is an arithmetic number, because the mean of its divisors is an integer number (43925895).

Almost surely, 2^2116155750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2116155750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2811257280).

2116155750 is an abundant number, since it is smaller than the sum of its proper divisors (3506358810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116155750 is a wasteful number, since it uses less digits than its factorization.

2116155750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The square root of 2116155750 is about 46001.6929036313. The cubic root of 2116155750 is about 1283.8547027968.

The spelling of 2116155750 in words is "two billion, one hundred sixteen million, one hundred fifty-five thousand, seven hundred fifty".